title	parent	grand_parent	layout	permalink	nav_exclude	examples
Plant Senescence Reflectance Index (PSRI)	Sentinel-2	Sentinel	script	/sentinel-2/psri/	true	zoom lat lng datasetId fromTime toTime platform evalscript additionalQueryParams 12 41.9027835 12.496365500000024 S2L2A 2018-08-01 2019-02-20 CDSE EOB 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 maxcc 20

General description

The plant senescence reflectance index, abbreviated PSRI, is defined as
$$PSRI = \frac{B04-B02}{B06}.$$

It is used for studying vegetation; see [1] for details.

Description of representative images

PSRI of Rome. Acquired on 8.10.2017.

References

[1] Index DataBase, index.de: PSRI. Accessed on February 20th 2019.